Salzburg didn't name the banned substance in question but said it was "a key ingredient" in the altitude sickness medication the players were allegedly given.
Salzburg said it supports the players and wants to clear up what happened while the players were with the national team.
"We are very proud when our players are called up to their national teams. For a full international match, you have to expect though that medical work will conform to international standards, with doctors who are familiar with the rules," Salzburg general manager Stephan Reiter said in a statement.
Camara and Koita have played regularly for Salzburg since the date of the positive test.
UEFA did not immediately respond to a request for comment.
(Only the headline and picture of this report may have been reworked by the Business Standard staff; the rest of the content is auto-generated from a syndicated feed.)
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